3  * OTG Finite State Machine from OTG spec
18 #include <linux/usb/otg.h>
19 #include <linux/usb/otg-fsm.h>
74 		if (fsm->otg->gadget)  in otg_leave_state()
75 			fsm->otg->gadget->host_request_flag = 0;  in otg_leave_state()
105 		if (fsm->otg->gadget)  in otg_leave_state()
106 			fsm->otg->gadget->host_request_flag = 0;  in otg_leave_state()
125 	enum usb_otg_state state = fsm->otg->state;  in otg_hnp_polling_work()
132 	udev = usb_hub_find_child(fsm->otg->host->root_hub, 1);  in otg_hnp_polling_work()
134 		dev_err(fsm->otg->host->controller,  in otg_hnp_polling_work()
151 		dev_err(&udev->dev, "Get one byte OTG status failed\n");  in otg_hnp_polling_work()
169 		if (!fsm->otg->host->b_hnp_enable) {  in otg_hnp_polling_work()
177 				fsm->otg->host->b_hnp_enable = 1;  in otg_hnp_polling_work()
208 	if (fsm->otg->state == new_state)  in otg_set_state()
211 	otg_leave_state(fsm, fsm->otg->state);  in otg_set_state()
251 		usb_bus_start_enum(fsm->otg->host,  in otg_set_state()
252 				fsm->otg->host->otg_port);  in otg_set_state()
322 	fsm->otg->state = new_state;  in otg_set_state()
334 	state = fsm->otg->state;  in otg_statemachine()
349 		else if (fsm->b_sess_vld && fsm->otg->gadget)  in otg_statemachine()
362 		else if (fsm->b_bus_req && fsm->otg->  in otg_statemachine()
408 				fsm->otg->host->b_hnp_enable)  in otg_statemachine()
416 		if (!fsm->b_conn && fsm->otg->host->b_hnp_enable)  in otg_statemachine()
418 		else if (!fsm->b_conn && !fsm->otg->host->b_hnp_enable)  in otg_statemachine()